... Usages:Organic compound reaction, manufacture optics neodymium glass.calcium chloride solution. Name:Calcium carbonatePhysicochemical Properties: White powder or crystallization, smell ... , decomposing silicate with the ammonium chloride, preparation of calcium chloride solution to demarcate soap solution, examine phosphor and ... .0015Moisture content,% ≤0.1HCL Insoluble Matter,% ≤0.005 Calcium carbonate